The week of May 22, 2016

Codes and Ciphers
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The obsessive amateur code-breakers hoping to crack the Zodiac killer’s cipher

By Rick Paulas

Nearly four decades ago, the Zodiac Killer terrorized the Bay Area, taunting newspaper readers with coded clues to his identity. Online codebreakers are still battling his final puzzle.

Features

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The strange and twisting case of r/A858, Reddit’s indecipherable Stonehenge

By Robert Guthrie

Five years ago, cryptic numbers began to appear in a little-trafficked subreddit. They seemed to be a code—one whose purpose, even today, remains a mystery.

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The literature professor who helped convict the Unabomber

By Nathan Smith

Ted Kaczynski mailed bombs to people across America, then demanded newspapers publish his manifesto. They did, and that proved to be his undoing.

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The fearless woman behind America’s cyber rapid-response team

By Eric Geller

Amid a torrent of cyberattacks and seemingly endless data breaches, the United States Computer Emergency …

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The secret tricks doxers use against you

By Joseph Cox

It’s time to lock down your privacy settings.